Have you ever got this error while installing any of your application on Windows?
Another installation is already in progress. Please finish … . Also, Error 1500 …
- go to task Manager (Control + Alt + Delete – > Task Manager) or ( Right-Click on the Task Bar and click ‘Task Manager’).
- Go to the “Processes” Tab.
- Kill all instances of msiexec.exe (Right-click on msiexec.exe and click ‘End Process Tree’).
You are done!